fix(config): updated type for drop transform

[Mallika05]

Fixed 'type' attribute of drop transform to utility_drop instead of utility_delay.

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.

[jshlbrd]

@Mallika05 Could you re-open this as a build(config) PR? A fix PR will bump the patch release, and we only do that for source code changes.